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Finding the Fourth Proportional to 89,119.52, 122,983 and 48,832.41

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Solution

The fourth proportional to 89,119.52, 122,983 and 48,832.41 is: 67,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,119.52 : 122,983 = 48,832.41 : x
  2. Step 2: Convert to fraction form
    89,119.52/122,983 = 48,832.41/x
  3. Step 3: Cross multiply
    89,119.52x = 122,983 × 48,832.41
  4. Step 4: Simplify right side
    89,119.52x = 6,005,556,279.03
  5. Step 5: Solve for x
    x = 6,005,556,279.03/89,119.52
  6. Step 6: Final answer
    x = 67,387.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.